https://www.epo.org/en/service-support/faq/searching-patents/open-patent-services/search-queries-tips-and-tricks/what-do-i
What do I have to do to retrieve all bibliographic entries for the equivalents in a simple family?
Using the Published Data service, submit a request with the constituent "equivalents". The following example shows what you have to do to retrieve all bibliographies for every equivalent of the family of publication EP1000000:
Since the family size is 4, all bibliographies can be obtained in one call using the batch mode:
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